164442135101546 has 8 divisors (see below), whose sum is σ = 248846062853124. Its totient is φ = 81493447483840.

The previous prime is 164442135101507. The next prime is 164442135101567. The reversal of 164442135101546 is 645101531244461.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 106484959914025 + 57957175187521 = 10319155^2 + 7612961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 164442135101546.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363810033185 + ... + 363810033636.

Almost surely, 2^{164442135101546} is an apocalyptic number.

164442135101546 is a deficient number, since it is larger than the sum of its proper divisors (84403927751578).

164442135101546 is a wasteful number, since it uses less digits than its factorization.

164442135101546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727620066936.

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 164442135101546 in words is "one hundred sixty-four trillion, four hundred forty-two billion, one hundred thirty-five million, one hundred one thousand, five hundred forty-six".